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Sonic irrigation for removal of calcium hydroxide in the apical root canal: A micro-CT and light-coupled tracking analysis
Cited 2 time in
Web of Science
Cited 2 time in Scopus
- Authors
- Issue Date
- 2022-06
- Publisher
- Public Library of Science
- Citation
- PLoS ONE, Vol.17 No.6 June, p. e0268791
- Abstract
- © 2022 Moon et al.Objective This study aimed to evaluate the efficacy of three sonic irrigation systems for removal of calcium hydroxide dressing from the apical root canal. Materials and methods A total of 96 single-rooted teeth in three categories of root canal curvatures (straight: 0–5◦, moderate: 6–20◦, and severe: > 20◦) were allocated to four groups: conventional needle irrigation, EndoActivator, EQ-S, and Vibringe. The root canals were instrumented using Protaper NEXT and filled with calcium hydroxide. After removal of calcium hydroxide, the remaining volume of calcium hydroxide was measured by micro-CT analysis. Data were compared among root canal curvatures and irrigation systems using the Kruskal-Wallis test and Mann-Whitney test (p < .05). The oscillating range of each irrigation system was measured using light-coupled motion tracking. Results The volumes of calcium hydroxide remaining in the canals with severe curvature were significantly higher than in those of straight curvature (p < .05). In the canals of moderate or severe curvature, EQ-S showed the highest removal percentage, followed by EndoActivator, Vibringe, and needle irrigation (p < .05). Light-coupled tracking showed the largest oscillating range in EQ-S (p < .05). Conclusions Sonically activated irrigation systems with a flexible tip can be beneficial for calcium hydroxide intracanal dressing removal in the curved apical canals.
- ISSN
- 1932-6203
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